diff --git a/bin/jetstream.php b/bin/jetstream.php
new file mode 100755
index 0000000000..c4075ff652
--- /dev/null
+++ b/bin/jetstream.php
@@ -0,0 +1,184 @@
+#!/usr/bin/env php
+<?php
+/**
+ * Copyright (C) 2010-2024, the Friendica project
+ * SPDX-FileCopyrightText: 2010-2024 the Friendica project
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ *
+ */
+
+use Dice\Dice;
+use Friendica\Core\Addon;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Psr\Log\LoggerInterface;
+use Friendica\Protocol\ATProtocol\Jetstream;
+
+if (php_sapi_name() !== 'cli') {
+	header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden');
+	exit();
+}
+
+// Ensure that Jetstream.php is executed from the base path of the installation
+if (!file_exists('index.php') && (sizeof((array)$_SERVER['argv']) != 0)) {
+	$directory = dirname($_SERVER['argv'][0]);
+
+	if (substr($directory, 0, 1) != '/') {
+		$directory = $_SERVER['PWD'] . '/' . $directory;
+	}
+	$directory = realpath($directory . '/..');
+
+	chdir($directory);
+}
+
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+$dice = (new Dice())->addRules(include __DIR__ . '/../static/dependencies.config.php');
+/** @var \Friendica\Core\Addon\Capability\ICanLoadAddons $addonLoader */
+$addonLoader = $dice->create(\Friendica\Core\Addon\Capability\ICanLoadAddons::class);
+$dice        = $dice->addRules($addonLoader->getActiveAddonConfig('dependencies'));
+$dice        = $dice->addRule(LoggerInterface::class, ['constructParams' => [Logger\Capability\LogChannel::DAEMON]]);
+
+DI::init($dice);
+\Friendica\Core\Logger\Handler\ErrorHandler::register($dice->create(\Psr\Log\LoggerInterface::class));
+Addon::loadAddons();
+Hook::loadHooks();
+DI::config()->reload();
+
+if (DI::mode()->isInstall()) {
+	die("Friendica isn't properly installed yet.\n");
+}
+
+if (empty(DI::config()->get('jetstream', 'pidfile'))) {
+	die(<<<TXT
+Please set jetstream.pidfile in config/local.config.php. For example:
+
+    'jetstream' => [
+        'pidfile' => '/path/to/jetstream.pid',
+    ],
+TXT);
+}
+
+if (!Addon::isEnabled('bluesky')) {
+	die("Bluesky has to be enabled.\n");
+}
+
+$pidfile = DI::config()->get('jetstream', 'pidfile');
+
+if (in_array('start', (array)$_SERVER['argv'])) {
+	$mode = 'start';
+}
+
+if (in_array('stop', (array)$_SERVER['argv'])) {
+	$mode = 'stop';
+}
+
+if (in_array('status', (array)$_SERVER['argv'])) {
+	$mode = 'status';
+}
+
+if (!isset($mode)) {
+	die("Please use either 'start', 'stop' or 'status'.\n");
+}
+
+// Get options
+$shortopts = 'f';
+$longopts  = ['foreground'];
+$options   = getopt($shortopts, $longopts);
+
+$foreground = array_key_exists('f', $options) || array_key_exists('foreground', $options);
+
+if (empty($_SERVER['argv'][0])) {
+	die("Unexpected script behaviour. This message should never occur.\n");
+}
+
+$pid = null;
+
+if (is_readable($pidfile)) {
+	$pid = intval(file_get_contents($pidfile));
+}
+
+if (empty($pid) && in_array($mode, ['stop', 'status'])) {
+	die("Pidfile wasn't found. Is jetstream running?\n");
+}
+
+if ($mode == 'status') {
+	if (posix_kill($pid, 0)) {
+		die("Jetstream process $pid is running.\n");
+	}
+
+	unlink($pidfile);
+
+	die("Jetstream process $pid isn't running.\n");
+}
+
+if ($mode == 'stop') {
+	posix_kill($pid, SIGTERM);
+
+	unlink($pidfile);
+
+	Logger::notice('Jetstream process was killed', ['pid' => $pid]);
+
+	die("Jetstream process $pid was killed.\n");
+}
+
+if (!empty($pid) && posix_kill($pid, 0)) {
+	die("Jetstream process $pid is already running.\n");
+}
+
+Logger::notice('Starting jetstream daemon.', ['pid' => $pid]);
+
+if (!$foreground) {
+	echo "Starting jetstream daemon.\n";
+
+	DBA::disconnect();
+
+	// Fork a daemon process
+	$pid = pcntl_fork();
+	if ($pid == -1) {
+		echo "Daemon couldn't be forked.\n";
+		Logger::warning('Could not fork daemon');
+		exit(1);
+	} elseif ($pid) {
+		// The parent process continues here
+		if (!file_put_contents($pidfile, $pid)) {
+			echo "Pid file wasn't written.\n";
+			Logger::warning('Could not store pid file');
+			posix_kill($pid, SIGTERM);
+			exit(1);
+		}
+		echo 'Child process started with pid ' . $pid . ".\n";
+		Logger::notice('Child process started', ['pid' => $pid]);
+		exit(0);
+	}
+
+	// We now are in the child process
+	register_shutdown_function('shutdown');
+
+	// Make the child the main process, detach it from the terminal
+	if (posix_setsid() < 0) {
+		return;
+	}
+
+	// Closing all existing connections with the outside
+	fclose(STDIN);
+
+	// And now connect the database again
+	DBA::connect();
+}
+
+// Just to be sure that this script really runs endlessly
+set_time_limit(0);
+
+// Now running as a daemon.
+$jetstream = $dice->create(Jetstream::class);
+$jetstream->listen();
+
+function shutdown()
+{
+	posix_kill(posix_getpid(), SIGTERM);
+	posix_kill(posix_getpid(), SIGHUP);
+}
diff --git a/src/DI.php b/src/DI.php
index 46010ce62b..9e1185b5d8 100644
--- a/src/DI.php
+++ b/src/DI.php
@@ -13,6 +13,7 @@ use Friendica\Core\Logger\Util\LoggerSettingsCheck;
 use Friendica\Core\Session\Capability\IHandleSessions;
 use Friendica\Core\Session\Capability\IHandleUserSessions;
 use Friendica\Navigation\SystemMessages;
+use Friendica\Protocol\ATProtocol;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -143,6 +144,34 @@ abstract class DI
 		return self::$dice->create(App\Router::class);
 	}
 
+	//
+	// "AtProtocol" namespace instances
+	//
+
+	/**
+	 * @return AtProtocol
+	 */
+	public static function atProtocol()
+	{
+		return self::$dice->create(ATProtocol::class);
+	}
+
+	/**
+	 * @return AtProtocol\Arguments
+	 */
+	public static function atpActor()
+	{
+		return self::$dice->create(ATProtocol\Actor::class);
+	}
+
+	/**
+	 * @return AtProtocol\Processor
+	 */
+	public static function atpProcessor()
+	{
+		return self::$dice->create(ATProtocol\Processor::class);
+	}
+
 	//
 	// "Content" namespace instances
 	//
diff --git a/src/Protocol/ATProtocol.php b/src/Protocol/ATProtocol.php
new file mode 100644
index 0000000000..139453224f
--- /dev/null
+++ b/src/Protocol/ATProtocol.php
@@ -0,0 +1,427 @@
+<?php
+
+// Copyright (C) 2010-2024, the Friendica project
+// SPDX-FileCopyrightText: 2010-2024 the Friendica project
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+namespace Friendica\Protocol;
+
+use DOMDocument;
+use DOMXPath;
+use Friendica\Core\Config\Capability\IManageConfigValues;
+use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
+use Friendica\Core\Protocol;
+use Friendica\Database\Database;
+use Friendica\Model\Item;
+use Friendica\Model\User;
+use Friendica\Network\HTTPClient\Capability\ICanSendHttpRequests;
+use Friendica\Network\HTTPClient\Client\HttpClientAccept;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
+use Friendica\Network\HTTPClient\Client\HttpClientRequest;
+use Friendica\Util\DateTimeFormat;
+use Psr\Log\LoggerInterface;
+use stdClass;
+
+/**
+ * Base class for the ATProtocol
+ * @see https://atproto.com/
+ */
+final class ATProtocol
+{
+	const STATUS_UNKNOWN    = 0;
+	const STATUS_TOKEN_OK   = 1;
+	const STATUS_SUCCESS    = 2;
+	const STATUS_API_FAIL   = 10;
+	const STATUS_DID_FAIL   = 11;
+	const STATUS_PDS_FAIL   = 12;
+	const STATUS_TOKEN_FAIL = 13;
+
+	const APPVIEW_API = 'https://public.api.bsky.app'; // Path to the public Bluesky AppView API.
+	const DIRECTORY   = 'https://plc.directory';       // Path to the directory server service to fetch the PDS of a given DID
+	const WEB         = 'https://bsky.app';            // Path to the web interface with the user profile and posts
+	const HOSTNAME    = 'bsky.social';                 // Host name to be added to the handle if incomplete
+
+	/** @var LoggerInterface */
+	private $logger;
+
+	/** @var Database */
+	private $db;
+
+	/** @var \Friendica\Core\Config\Capability\IManageConfigValues */
+	private $config;
+
+	/** @var IManagePersonalConfigValue */
+	private $pConfig;
+
+	/** @var ICanSendHttpRequests */
+	private $httpClient;
+
+	public function __construct(LoggerInterface $logger, Database $database, IManageConfigValues $config, IManagePersonalConfigValues $pConfig, ICanSendHttpRequests $httpClient)
+	{
+		$this->logger     = $logger;
+		$this->db         = $database;
+		$this->config     = $config;
+		$this->pConfig    = $pConfig;
+		$this->httpClient = $httpClient;
+	}
+
+	public function getUids(): array
+	{
+		$uids         = [];
+		$abandon_days = intval($this->config->get('system', 'account_abandon_days'));
+		if ($abandon_days < 1) {
+			$abandon_days = 0;
+		}
+
+		$abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
+
+		$pconfigs = $this->db->selectToArray('pconfig', [], ["`cat` = ? AND `k` = ? AND `v`", 'bluesky', 'import']);
+		foreach ($pconfigs as $pconfig) {
+			if (empty($this->getUserDid($pconfig['uid']))) {
+				continue;
+			}
+
+			if ($abandon_days != 0) {
+				if (!$this->db->exists('user', ["`uid` = ? AND `login_date` >= ?", $pconfig['uid'], $abandon_limit])) {
+					continue;
+				}
+			}
+			$uids[] = $pconfig['uid'];
+		}
+		return $uids;
+	}
+
+	public function XRPCGet(string $url, array $parameters = [], int $uid = 0): ?stdClass
+	{
+		if (!empty($parameters)) {
+			$url .= '?' . http_build_query($parameters);
+		}
+
+		if ($uid == 0) {
+			return $this->get(ATProtocol::APPVIEW_API . '/xrpc/' . $url);
+		}
+
+		$pds = $this->getUserPds($uid);
+		if (empty($pds)) {
+			return null;
+		}
+
+		$headers = ['Authorization' => ['Bearer ' . $this->getUserToken($uid)]];
+
+		$languages = User::getWantedLanguages($uid);
+		if (!empty($languages)) {
+			$headers['Accept-Language'] = implode(',', $languages);
+		}
+
+		$data = $this->get($pds . '/xrpc/' . $url, [HttpClientOptions::HEADERS => $headers]);
+		$this->pConfig->set($uid, 'bluesky', 'status', is_null($data) ? self::STATUS_API_FAIL : self::STATUS_SUCCESS);
+		return $data;
+	}
+
+	public function get(string $url, array $opts = []): ?stdClass
+	{
+		try {
+			$curlResult = $this->httpClient->get($url, HttpClientAccept::JSON, $opts);
+		} catch (\Exception $e) {
+			$this->logger->notice('Exception on get', ['url' => $url, 'exception' => $e]);
+			return null;
+		}
+
+		$data = json_decode($curlResult->getBodyString());
+		if (!$curlResult->isSuccess()) {
+			$this->logger->notice('API Error', ['url' => $url, 'code' => $curlResult->getReturnCode(), 'error' => $data ?: $curlResult->getBodyString()]);
+			if (!$data) {
+				return null;
+			}
+			$data->code = $curlResult->getReturnCode();
+		}
+
+		Item::incrementInbound(Protocol::BLUESKY);
+		return $data;
+	}
+
+	public function XRPCPost(int $uid, string $url, $parameters): ?stdClass
+	{
+		$data = $this->post($uid, '/xrpc/' . $url, json_encode($parameters), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $this->getUserToken($uid)]]);
+		return $data;
+	}
+
+	private function post(int $uid, string $url, string $params, array $headers): ?stdClass
+	{
+		$pds = $this->getUserPds($uid);
+		if (empty($pds)) {
+			return null;
+		}
+
+		try {
+			$curlResult = $this->httpClient->post($pds . $url, $params, $headers);
+		} catch (\Exception $e) {
+			$this->logger->notice('Exception on post', ['exception' => $e]);
+			$this->pConfig->set($uid, 'bluesky', 'status', self::STATUS_API_FAIL);
+			return null;
+		}
+
+		$data = json_decode($curlResult->getBodyString());
+		if (!$curlResult->isSuccess()) {
+			$this->logger->notice('API Error', ['url' => $url, 'code' => $curlResult->getReturnCode(), 'error' => $data ?: $curlResult->getBodyString()]);
+			if (!$data) {
+				$this->pConfig->set($uid, 'bluesky', 'status', self::STATUS_API_FAIL);
+				return null;
+			}
+			$data->code = $curlResult->getReturnCode();
+		}
+
+		$this->pConfig->set($uid, 'bluesky', 'status', self::STATUS_SUCCESS);
+		Item::incrementOutbound(Protocol::BLUESKY);
+		return $data;
+	}
+
+	private function getUserPds(int $uid): ?string
+	{
+		if ($uid == 0) {
+			return self::APPVIEW_API;
+		}
+
+		$pds = $this->pConfig->get($uid, 'bluesky', 'pds');
+		if (!empty($pds)) {
+			return $pds;
+		}
+
+		$did = $this->getUserDid($uid);
+		if (empty($did)) {
+			return null;
+		}
+
+		$pds = $this->getPdsOfDid($did);
+		if (empty($pds)) {
+			return null;
+		}
+
+		$this->pConfig->set($uid, 'bluesky', 'pds', $pds);
+		return $pds;
+	}
+
+	public function getUserDid(int $uid, bool $refresh = false): ?string
+	{
+		if (!$this->pConfig->get($uid, 'bluesky', 'post')) {
+			return null;
+		}
+
+		if (!$refresh) {
+			$did = $this->pConfig->get($uid, 'bluesky', 'did');
+			if (!empty($did)) {
+				return $did;
+			}
+		}
+
+		$handle = $this->pConfig->get($uid, 'bluesky', 'handle');
+		if (empty($handle)) {
+			return null;
+		}
+
+		$did = $this->getDid($handle);
+		if (empty($did)) {
+			return null;
+		}
+
+		$this->logger->debug('Got DID for user', ['uid' => $uid, 'handle' => $handle, 'did' => $did]);
+		$this->pConfig->set($uid, 'bluesky', 'did', $did);
+		return $did;
+	}
+
+	private function getDid(string $handle): string
+	{
+		if ($handle == '') {
+			return '';
+		}
+
+		if (strpos($handle, '.') === false) {
+			$handle .= '.' . self::HOSTNAME;
+		}
+
+		// At first we use the AppView API which *should* cover all cases.
+		$data = $this->get(self::APPVIEW_API . '/xrpc/com.atproto.identity.resolveHandle?handle=' . urlencode($handle));
+		if (!empty($data) && !empty($data->did)) {
+			$this->logger->debug('Got DID by system PDS call', ['handle' => $handle, 'did' => $data->did]);
+			return $data->did;
+		}
+
+		// Then we query the DNS, which is used for third party handles (DNS should be faster than wellknown)
+		$did = $this->getDidByDns($handle);
+		if ($did != '') {
+			$this->logger->debug('Got DID by DNS', ['handle' => $handle, 'did' => $did]);
+			return $did;
+		}
+
+		// Then we query wellknown, which should mostly cover the rest.
+		$did = $this->getDidByWellknown($handle);
+		if ($did != '') {
+			$this->logger->debug('Got DID by wellknown', ['handle' => $handle, 'did' => $did]);
+			return $did;
+		}
+
+		$this->logger->notice('No DID detected', ['handle' => $handle]);
+		return '';
+	}
+
+	public function getDidByProfile(string $url): string
+	{
+		if (preg_match('#^' . self::WEB . '/profile/(.+)#', $url, $matches)) {
+			$did = $this->getDid($matches[1]);
+			if (!empty($did)) {
+				return $did;
+			}
+		}
+		try {
+			$curlResult = $this->httpClient->get($url, HttpClientAccept::HTML, [HttpClientOptions::REQUEST => HttpClientRequest::CONTACTINFO]);
+		} catch (\Throwable $th) {
+			return '';
+		}
+		if (!$curlResult->isSuccess()) {
+			return '';
+		}
+		$profile = $curlResult->getBodyString();
+		if (empty($profile)) {
+			return '';
+		}
+
+		$doc = new DOMDocument();
+		try {
+			@$doc->loadHTML($profile);
+		} catch (\Throwable $th) {
+			return '';
+		}
+		$xpath = new DOMXPath($doc);
+		$list  = $xpath->query('//p[@id]');
+		foreach ($list as $node) {
+			foreach ($node->attributes as $attribute) {
+				if ($attribute->name == 'id') {
+					$ids[$attribute->value] = $node->textContent;
+				}
+			}
+		}
+
+		if (empty($ids['bsky_handle']) || empty($ids['bsky_did'])) {
+			return '';
+		}
+
+		if (!$this->isValidDid($ids['bsky_did'], $ids['bsky_handle'])) {
+			$this->logger->notice('Invalid DID', ['handle' => $ids['bsky_handle'], 'did' => $ids['bsky_did']]);
+			return '';
+		}
+
+		return $ids['bsky_did'];
+	}
+
+	private function getDidByWellknown(string $handle): string
+	{
+		$curlResult = $this->httpClient->get('http://' . $handle . '/.well-known/atproto-did');
+		if ($curlResult->isSuccess() && substr($curlResult->getBodyString(), 0, 4) == 'did:') {
+			$did = $curlResult->getBodyString();
+			if (!$this->isValidDid($did, $handle)) {
+				$this->logger->notice('Invalid DID', ['handle' => $handle, 'did' => $did]);
+				return '';
+			}
+			return $did;
+		}
+		return '';
+	}
+
+	private function getDidByDns(string $handle): string
+	{
+		$records = @dns_get_record('_atproto.' . $handle . '.', DNS_TXT);
+		if (empty($records)) {
+			return '';
+		}
+		foreach ($records as $record) {
+			if (!empty($record['txt']) && substr($record['txt'], 0, 4) == 'did=') {
+				$did = substr($record['txt'], 4);
+				if (!$this->isValidDid($did, $handle)) {
+					$this->logger->notice('Invalid DID', ['handle' => $handle, 'did' => $did]);
+					return '';
+				}
+				return $did;
+			}
+		}
+		return '';
+	}
+
+	private function getPdsOfDid(string $did): ?string
+	{
+		$data = $this->get(self::DIRECTORY . '/' . $did);
+		if (empty($data) || empty($data->service)) {
+			return null;
+		}
+
+		foreach ($data->service as $service) {
+			if (($service->id == '#atproto_pds') && ($service->type == 'AtprotoPersonalDataServer') && !empty($service->serviceEndpoint)) {
+				return $service->serviceEndpoint;
+			}
+		}
+
+		return null;
+	}
+
+	private function isValidDid(string $did, string $handle): bool
+	{
+		$data = $this->get(self::DIRECTORY . '/' . $did);
+		if (empty($data) || empty($data->alsoKnownAs)) {
+			return false;
+		}
+
+		return in_array('at://' . $handle, $data->alsoKnownAs);
+	}
+
+	private function getUserToken(int $uid): string
+	{
+		$token   = $this->pConfig->get($uid, 'bluesky', 'access_token');
+		$created = $this->pConfig->get($uid, 'bluesky', 'token_created');
+		if (empty($token)) {
+			return '';
+		}
+
+		if ($created + 300 < time()) {
+			return $this->refreshUserToken($uid);
+		}
+		return $token;
+	}
+
+	private function refreshUserToken(int $uid): string
+	{
+		$token = $this->pConfig->get($uid, 'bluesky', 'refresh_token');
+
+		$data = $this->post($uid, '/xrpc/com.atproto.server.refreshSession', '', ['Authorization' => ['Bearer ' . $token]]);
+		if (empty($data) || empty($data->accessJwt)) {
+			$this->pConfig->set($uid, 'bluesky', 'status', self::STATUS_TOKEN_FAIL);
+			return '';
+		}
+
+		$this->logger->debug('Refreshed token', ['return' => $data]);
+		$this->pConfig->set($uid, 'bluesky', 'access_token', $data->accessJwt);
+		$this->pConfig->set($uid, 'bluesky', 'refresh_token', $data->refreshJwt);
+		$this->pConfig->set($uid, 'bluesky', 'token_created', time());
+		return $data->accessJwt;
+	}
+
+	public function createUserToken(int $uid, string $password): string
+	{
+		$did = $this->getUserDid($uid);
+		if (empty($did)) {
+			return '';
+		}
+
+		$data = $this->post($uid, '/xrpc/com.atproto.server.createSession', json_encode(['identifier' => $did, 'password' => $password]), ['Content-type' => 'application/json']);
+		if (empty($data) || empty($data->accessJwt)) {
+			$this->pConfig->set($uid, 'bluesky', 'status', self::STATUS_TOKEN_FAIL);
+			return '';
+		}
+
+		$this->logger->debug('Created token', ['return' => $data]);
+		$this->pConfig->set($uid, 'bluesky', 'access_token', $data->accessJwt);
+		$this->pConfig->set($uid, 'bluesky', 'refresh_token', $data->refreshJwt);
+		$this->pConfig->set($uid, 'bluesky', 'token_created', time());
+		$this->pConfig->set($uid, 'bluesky', 'status', self::STATUS_TOKEN_OK);
+		return $data->accessJwt;
+	}
+}
diff --git a/src/Protocol/ATProtocol/Actor.php b/src/Protocol/ATProtocol/Actor.php
new file mode 100755
index 0000000000..e3fdd7e185
--- /dev/null
+++ b/src/Protocol/ATProtocol/Actor.php
@@ -0,0 +1,203 @@
+#!/usr/bin/env php
+<?php
+/**
+ * Copyright (C) 2010-2024, the Friendica project
+ * SPDX-FileCopyrightText: 2010-2024 the Friendica project
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ *
+ */
+
+namespace Friendica\Protocol\ATProtocol;
+
+use Friendica\Content\Text\HTML;
+use Friendica\Core\Protocol;
+use Friendica\Model\Contact;
+use Friendica\Model\GServer;
+use Friendica\Protocol\ATProtocol;
+use Friendica\Util\DateTimeFormat;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class to handle AT Protocol actors
+ */
+class Actor
+{
+	/** @var LoggerInterface */
+	private $logger;
+
+	/** @var ATProtocol */
+	private $atprotocol;
+
+	public function __construct(LoggerInterface $logger, ATProtocol $atprotocol)
+	{
+		$this->logger     = $logger;
+		$this->atprotocol = $atprotocol;
+	}
+
+	public function syncContacts(int $uid)
+	{
+		$this->logger->info('Sync contacts for user - start', ['uid' => $uid]);
+		$contacts = Contact::selectToArray(['id', 'url', 'rel'], ['uid' => $uid, 'network' => Protocol::BLUESKY, 'rel' => [Contact::FRIEND, Contact::SHARING, Contact::FOLLOWER]]);
+
+		$follows  = [];
+		$cursor   = '';
+		$profiles = [];
+
+		do {
+			$parameters = [
+				'actor'  => $this->atprotocol->getUserDid($uid),
+				'limit'  => 100,
+				'cursor' => $cursor
+			];
+
+			$data = $this->atprotocol->XRPCGet('app.bsky.graph.getFollows', $parameters);
+
+			foreach ($data->follows ?? [] as $follow) {
+				$profiles[$follow->did] = $follow;
+				$follows[$follow->did]  = Contact::SHARING;
+			}
+			$cursor = $data->cursor ?? '';
+		} while (!empty($data->follows) && !empty($data->cursor));
+
+		$cursor = '';
+
+		do {
+			$parameters = [
+				'actor'  => $this->atprotocol->getUserDid($uid),
+				'limit'  => 100,
+				'cursor' => $cursor
+			];
+
+			$data = $this->atprotocol->XRPCGet('app.bsky.graph.getFollowers', $parameters);
+
+			foreach ($data->followers ?? [] as $follow) {
+				$profiles[$follow->did] = $follow;
+				$follows[$follow->did]  = ($follows[$follow->did] ?? 0) | Contact::FOLLOWER;
+			}
+			$cursor = $data->cursor ?? '';
+		} while (!empty($data->followers) && !empty($data->cursor));
+
+		foreach ($contacts as $contact) {
+			if (empty($follows[$contact['url']])) {
+				Contact::update(['rel' => Contact::NOTHING], ['id' => $contact['id']]);
+			}
+		}
+
+		foreach ($follows as $did => $rel) {
+			$contact = $this->getContactByDID($did, $uid, $uid);
+			if (($contact['rel'] != $rel) && ($contact['uid'] != 0)) {
+				Contact::update(['rel' => $rel], ['id' => $contact['id']]);
+			}
+		}
+		$this->logger->info('Sync contacts for user - done', ['uid' => $uid]);
+	}
+
+	public function updateContactByDID(string $did)
+	{
+		$profile = $this->atprotocol->XRPCGet('app.bsky.actor.getProfile', ['actor' => $did]);
+		if (empty($profile) || empty($profile->did)) {
+			return;
+		}
+
+		$nick = $profile->handle      ?? $profile->did;
+		$name = $profile->displayName ?? $nick;
+
+		$fields = [
+			'alias'   => ATProtocol::WEB . '/profile/' . $nick,
+			'name'    => $name ?: $nick,
+			'nick'    => $nick,
+			'addr'    => $nick,
+			'updated' => DateTimeFormat::utcNow(DateTimeFormat::MYSQL),
+		];
+
+		if (!empty($profile->description)) {
+			$fields['about'] = HTML::toBBCode($profile->description);
+		}
+
+		if (!empty($profile->banner)) {
+			$fields['header'] = $profile->banner;
+		}
+
+		$directory = $this->atprotocol->get(ATProtocol::DIRECTORY . '/' . $profile->did);
+		if (!empty($directory)) {
+			foreach ($directory->service as $service) {
+				if (($service->id == '#atproto_pds') && ($service->type == 'AtprotoPersonalDataServer') && !empty($service->serviceEndpoint)) {
+					$fields['baseurl'] = $service->serviceEndpoint;
+				}
+			}
+
+			if (!empty($fields['baseurl'])) {
+				GServer::check($fields['baseurl'], Protocol::BLUESKY);
+				$fields['gsid'] = GServer::getID($fields['baseurl'], true);
+			}
+
+			foreach ($directory->verificationMethod as $method) {
+				if (!empty($method->publicKeyMultibase)) {
+					$fields['pubkey'] = $method->publicKeyMultibase;
+				}
+			}
+		}
+
+		/*
+		@todo Add this part when the function will be callable with a uid
+		if (!empty($profile->viewer)) {
+			if (!empty($profile->viewer->following) && !empty($profile->viewer->followedBy)) {
+				$fields['rel'] = Contact::FRIEND;
+			} elseif (!empty($profile->viewer->following) && empty($profile->viewer->followedBy)) {
+				$fields['rel'] = Contact::SHARING;
+			} elseif (empty($profile->viewer->following) && !empty($profile->viewer->followedBy)) {
+				$fields['rel'] = Contact::FOLLOWER;
+			} else {
+				$fields['rel'] = Contact::NOTHING;
+			}
+		}
+		*/
+
+		if (!empty($profile->avatar)) {
+			$contact = Contact::selectFirst(['id', 'avatar'], ['network' => Protocol::BLUESKY, 'nurl' => $did, 'uid' => 0]);
+			if (!empty($contact['id']) && ($contact['avatar'] != $profile->avatar)) {
+				Contact::updateAvatar($contact['id'], $profile->avatar);
+			}
+		}
+
+		$this->logger->notice('Update profile', ['did' => $profile->did, 'fields' => $fields]);
+
+		Contact::update($fields, ['nurl' => $profile->did, 'network' => Protocol::BLUESKY]);
+	}
+
+	public function getContactByDID(string $did, int $uid, int $contact_uid): array
+	{
+		$contact = Contact::selectFirst([], ['network' => Protocol::BLUESKY, 'nurl' => $did, 'uid' => [$contact_uid, $uid]], ['order' => ['uid' => true]]);
+
+		if (!empty($contact)) {
+			return $contact;
+		}
+
+		if (empty($contact)) {
+			$fields = [
+				'uid'      => $contact_uid,
+				'network'  => Protocol::BLUESKY,
+				'priority' => 1,
+				'writable' => true,
+				'blocked'  => false,
+				'readonly' => false,
+				'pending'  => false,
+				'url'      => $did,
+				'nurl'     => $did,
+				'alias'    => ATProtocol::WEB . '/profile/' . $did,
+				'name'     => $did,
+				'nick'     => $did,
+				'addr'     => $did,
+				'rel'      => Contact::NOTHING,
+			];
+			$cid = Contact::insert($fields);
+		} else {
+			$cid = $contact['id'];
+		}
+
+		$this->updateContactByDID($did);
+
+		return Contact::getById($cid);
+	}
+}
diff --git a/src/Protocol/ATProtocol/Jetstream.php b/src/Protocol/ATProtocol/Jetstream.php
new file mode 100755
index 0000000000..c1b866dac8
--- /dev/null
+++ b/src/Protocol/ATProtocol/Jetstream.php
@@ -0,0 +1,404 @@
+#!/usr/bin/env php
+<?php
+/**
+ * Copyright (C) 2010-2024, the Friendica project
+ * SPDX-FileCopyrightText: 2010-2024 the Friendica project
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ *
+ */
+
+namespace Friendica\Protocol\ATProtocol;
+
+use Friendica\Core\Config\Capability\IManageConfigValues;
+use Friendica\Core\KeyValueStorage\Capability\IManageKeyValuePairs;
+use Friendica\Core\Protocol;
+use Friendica\Core\System;
+use Friendica\Model\Contact;
+use Friendica\Model\Item;
+use Friendica\Protocol\ATProtocol;
+use Friendica\Util\DateTimeFormat;
+use Psr\Log\LoggerInterface;
+use stdClass;
+
+/**
+ * Class to handle the Bluesky Jetstream firehose
+ *
+ * Existing collections:
+ * app.bsky.feed.like, app.bsky.graph.follow, app.bsky.feed.repost, app.bsky.feed.post, app.bsky.graph.block,
+ * app.bsky.actor.profile, app.bsky.graph.listitem, app.bsky.graph.list, app.bsky.graph.listblock, app.bsky.feed.generator,
+ * app.bsky.feed.threadgate, app.bsky.graph.starterpack, app.bsky.feed.postgate, chat.bsky.actor.declaration,
+ * app.bsky.actor.domain, industries.geesawra.webpages
+ *
+ * Available servers:
+ * jetstream1.us-east.bsky.network, jetstream2.us-east.bsky.network, jetstream1.us-west.bsky.network, jetstream2.us-west.bsky.network
+ *
+ * @see https://github.com/bluesky-social/jetstream
+ * @todo Support more collections, support full firehose
+ */
+class Jetstream
+{
+	private $uids   = [];
+	private $self   = [];
+	private $capped = false;
+
+	/** @var LoggerInterface */
+	private $logger;
+
+	/** @var \Friendica\Core\Config\Capability\IManageConfigValues */
+	private $config;
+
+	/** @var IManageKeyValuePairs */
+	private $keyValue;
+
+	/** @var ATProtocol */
+	private $atprotocol;
+
+	/** @var Actor */
+	private $actor;
+
+	/** @var Processor */
+	private $processor;
+
+	/** @var \WebSocket\Client */
+	private $client;
+
+	public function __construct(LoggerInterface $logger, IManageConfigValues $config, IManageKeyValuePairs $keyValue, ATProtocol $atprotocol, Actor $actor, Processor $processor)
+	{
+		$this->logger     = $logger;
+		$this->config     = $config;
+		$this->keyValue   = $keyValue;
+		$this->atprotocol = $atprotocol;
+		$this->actor      = $actor;
+		$this->processor  = $processor;
+	}
+
+	// *****************************************
+	// * Listener
+	// *****************************************
+	public function listen()
+	{
+		$timeout       = 300;
+		$timeout_limit = 10;
+		$timestamp     = $this->keyValue->get('jetstream_timestamp') ?? 0;
+		$cursor        = '';
+		while (true) {
+			if ($timestamp) {
+				$cursor = '&cursor=' . $timestamp;
+				$this->logger->notice('Start with cursor', ['cursor' => $cursor]);
+			}
+
+			$this->syncContacts();
+			try {
+				// @todo make the path configurable
+				$this->client = new \WebSocket\Client('wss://jetstream1.us-west.bsky.network/subscribe?requireHello=true' . $cursor);
+				$this->client->setTimeout($timeout);
+			} catch (\WebSocket\ConnectionException $e) {
+				$this->logger->error('Error while trying to establish the connection', ['code' => $e->getCode(), 'message' => $e->getMessage()]);
+				echo "Connection wasn't established.\n";
+				exit(1);
+			}
+			$this->setOptions();
+			$last_timeout = time();
+			while (true) {
+				try {
+					$message = $this->client->receive();
+					$data    = json_decode($message);
+					if (is_object($data)) {
+						$timestamp = $data->time_us;
+						$this->route($data);
+						$this->keyValue->set('jetstream_timestamp', $timestamp);
+					} else {
+						$this->logger->warning('Unexpected return value', ['data' => $data]);
+						break;
+					}
+				} catch (\WebSocket\ConnectionException $e) {
+					if ($e->getCode() == 1024) {
+						$timeout_duration = time() - $last_timeout;
+						if ($timeout_duration < $timeout_limit) {
+							$this->logger->notice('Timeout - connection lost', ['duration' => $timeout_duration, 'timestamp' => $timestamp, 'code' => $e->getCode(), 'message' => $e->getMessage()]);
+							break;
+						}
+						$this->logger->notice('Timeout', ['duration' => $timeout_duration, 'timestamp' => $timestamp, 'code' => $e->getCode(), 'message' => $e->getMessage()]);
+					} else {
+						$this->logger->error('Error', ['code' => $e->getCode(), 'message' => $e->getMessage()]);
+						break;
+					}
+				}
+				$last_timeout = time();
+			}
+			try {
+				$this->client->close();
+			} catch (\WebSocket\ConnectionException $e) {
+				$this->logger->error('Error while trying to close the connection', ['code' => $e->getCode(), 'message' => $e->getMessage()]);
+			}
+		}
+	}
+
+	private function syncContacts()
+	{
+		$active_uids = $this->atprotocol->getUids();
+		if (empty($active_uids)) {
+			return;
+		}
+
+		foreach ($active_uids as $uid) {
+			$this->actor->syncContacts($uid);
+		}
+	}
+
+	private function setOptions()
+	{
+		$active_uids = $this->atprotocol->getUids();
+		if (empty($active_uids)) {
+			return;
+		}
+
+		$contacts = Contact::selectToArray(['uid', 'url'], ['uid' => $active_uids, 'network' => Protocol::BLUESKY, 'rel' => [Contact::FRIEND, Contact::SHARING]]);
+
+		$self = [];
+		foreach ($active_uids as $uid) {
+			$did        = $this->atprotocol->getUserDid($uid);
+			$contacts[] = ['uid' => $uid, 'url' => $did];
+			$self[$did] = $uid;
+		}
+		$this->self = $self;
+
+		$uids = [];
+		foreach ($contacts as $contact) {
+			$uids[$contact['url']][] = $contact['uid'];
+		}
+		$this->uids = $uids;
+
+		$did_limit = $this->config->get('jetstream', 'did_limit');
+
+		$dids = array_keys($uids);
+		if (count($dids) > $did_limit) {
+			$contacts = Contact::selectToArray(['url'], ['uid' => $active_uids, 'network' => Protocol::BLUESKY, 'rel' => [Contact::FRIEND, Contact::SHARING]], ['order' => ['last-item' => true]]);
+			$dids     = $this->addDids($contacts, $uids, $did_limit, array_keys($self));
+		}
+
+		if (count($dids) < $did_limit) {
+			$contacts = Contact::selectToArray(['url'], ['uid' => $active_uids, 'network' => Protocol::BLUESKY, 'rel' => Contact::FOLLOWER], ['order' => ['last-item' => true]]);
+			$dids     = $this->addDids($contacts, $uids, $did_limit, $dids);
+		}
+
+		if (!$this->capped && count($dids) < $did_limit) {
+			$contacts = Contact::selectToArray(['url'], ['uid' => 0, 'network' => Protocol::BLUESKY], ['order' => ['last-item' => true], 'limit' => $did_limit]);
+			$dids     = $this->addDids($contacts, $uids, $did_limit, $dids);
+		}
+
+		$this->logger->debug('Selected DIDs', ['uids' => $active_uids, 'count' => count($dids), 'capped' => $this->capped]);
+		$update = [
+			'type'    => 'options_update',
+			'payload' => [
+				'wantedCollections'   => ['app.bsky.feed.post', 'app.bsky.feed.repost', 'app.bsky.feed.like', 'app.bsky.graph.block', 'app.bsky.actor.profile', 'app.bsky.graph.follow'],
+				'wantedDids'          => $dids,
+				'maxMessageSizeBytes' => 1000000
+			]
+		];
+		try {
+			$this->client->send(json_encode($update));
+		} catch (\WebSocket\ConnectionException $e) {
+			$this->logger->error('Error while trying to send options.', ['code' => $e->getCode(), 'message' => $e->getMessage()]);
+		}
+	}
+
+	private function addDids(array $contacts, array $uids, int $did_limit, array $dids): array
+	{
+		foreach ($contacts as $contact) {
+			if (in_array($contact['url'], $uids)) {
+				continue;
+			}
+			$dids[] = $contact['url'];
+			if (count($dids) >= $did_limit) {
+				break;
+			}
+		}
+		return $dids;
+	}
+
+	private function route(stdClass $data)
+	{
+		Item::incrementInbound(Protocol::BLUESKY);
+
+		switch ($data->kind) {
+			case 'account':
+				if (!empty($data->identity->did)) {
+					$this->processor->processAccount($data);
+				}
+				break;
+
+			case 'identity':
+				$this->processor->processIdentity($data);
+				break;
+
+			case 'commit':
+				$this->routeCommits($data);
+				break;
+		}
+	}
+
+	private function routeCommits(stdClass $data)
+	{
+		$drift = max(0, round(time() - $data->time_us / 1000000));
+		if ($drift > 60 && !$this->capped) {
+			$this->capped = true;
+			$this->setOptions();
+			$this->logger->notice('Drift is too high, dids will be capped');
+		} elseif ($drift == 0 && $this->capped) {
+			$this->capped = false;
+			$this->setOptions();
+			$this->logger->notice('Drift is low enough, dids will be uncapped');
+		}
+
+		$this->logger->notice('Received commit', ['time' => date(DateTimeFormat::ATOM, $data->time_us / 1000000), 'drift' => $drift, 'capped' => $this->capped, 'did' => $data->did, 'operation' => $data->commit->operation, 'collection' => $data->commit->collection, 'timestamp' => $data->time_us]);
+		$timestamp = microtime(true);
+
+		switch ($data->commit->collection) {
+			case 'app.bsky.feed.post':
+				$this->routePost($data, $drift);
+				break;
+
+			case 'app.bsky.feed.repost':
+				$this->routeRepost($data, $drift);
+				break;
+
+			case 'app.bsky.feed.like':
+				$this->routeLike($data);
+				break;
+
+			case 'app.bsky.graph.block':
+				$this->processor->performBlocks($data, $this->self[$data->did] ?? 0);
+				break;
+
+			case 'app.bsky.actor.profile':
+				$this->routeProfile($data);
+				break;
+
+			case 'app.bsky.graph.follow':
+				$this->routeFollow($data);
+				break;
+
+			case 'app.bsky.feed.generator':
+			case 'app.bsky.feed.postgate':
+			case 'app.bsky.feed.threadgate':
+			case 'app.bsky.graph.list':
+			case 'app.bsky.graph.listblock':
+			case 'app.bsky.graph.listitem':
+			case 'app.bsky.graph.starterpack':
+				// Ignore these collections, since we can't really process them
+				break;
+
+			default:
+				$this->storeCommitMessage($data);
+				break;
+		}
+		if (microtime(true) - $timestamp > 2) {
+			$this->logger->notice('Commit processed', ['duration' => round(microtime(true) - $timestamp, 3), 'time' => date(DateTimeFormat::ATOM, $data->time_us / 1000000), 'did' => $data->did, 'operation' => $data->commit->operation, 'collection' => $data->commit->collection]);
+		}
+	}
+
+	private function routePost(stdClass $data, int $drift)
+	{
+		switch ($data->commit->operation) {
+			case 'delete':
+				$this->processor->deleteRecord($data);
+				break;
+
+			case 'create':
+				$this->processor->createPost($data, $this->uids[$data->did] ?? [0], ($drift > 30));
+				break;
+
+			default:
+				$this->storeCommitMessage($data);
+				break;
+		}
+	}
+
+	private function routeRepost(stdClass $data, int $drift)
+	{
+		switch ($data->commit->operation) {
+			case 'delete':
+				$this->processor->deleteRecord($data);
+				break;
+
+			case 'create':
+				$this->processor->createRepost($data, $this->uids[$data->did] ?? [0], ($drift > 30));
+				break;
+
+			default:
+				$this->storeCommitMessage($data);
+				break;
+		}
+	}
+
+	private function routeLike(stdClass $data)
+	{
+		switch ($data->commit->operation) {
+			case 'delete':
+				$this->processor->deleteRecord($data);
+				break;
+
+			case 'create':
+				$this->processor->createLike($data);
+				break;
+
+			default:
+				$this->storeCommitMessage($data);
+				break;
+		}
+	}
+
+	private function routeProfile(stdClass $data)
+	{
+		switch ($data->commit->operation) {
+			case 'delete':
+				$this->storeCommitMessage($data);
+				break;
+
+			case 'create':
+				$this->actor->updateContactByDID($data->did);
+				break;
+
+			case 'update':
+				$this->actor->updateContactByDID($data->did);
+				break;
+
+			default:
+				$this->storeCommitMessage($data);
+				break;
+		}
+	}
+
+	private function routeFollow(stdClass $data)
+	{
+		switch ($data->commit->operation) {
+			case 'delete':
+				if ($this->processor->deleteFollow($data, $this->self)) {
+					$this->syncContacts();
+					$this->setOptions();
+				}
+				break;
+
+			case 'create':
+				if ($this->processor->createFollow($data, $this->self)) {
+					$this->syncContacts();
+					$this->setOptions();
+				}
+				break;
+
+			default:
+				$this->storeCommitMessage($data);
+				break;
+		}
+	}
+
+	private function storeCommitMessage(stdClass $data)
+	{
+		if ($this->config->get('debug', 'jetstream_log')) {
+			$tempfile = tempnam(System::getTempPath(), 'at-proto.commit.' . $data->commit->collection . '.' . $data->commit->operation . '-');
+			file_put_contents($tempfile, json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));
+		}
+	}
+}
diff --git a/src/Protocol/ATProtocol/Processor.php b/src/Protocol/ATProtocol/Processor.php
new file mode 100755
index 0000000000..9416ef7a2f
--- /dev/null
+++ b/src/Protocol/ATProtocol/Processor.php
@@ -0,0 +1,904 @@
+#!/usr/bin/env php
+<?php
+/**
+ * Copyright (C) 2010-2024, the Friendica project
+ * SPDX-FileCopyrightText: 2010-2024 the Friendica project
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ *
+ */
+
+namespace Friendica\Protocol\ATProtocol;
+
+use Friendica\App\BaseURL;
+use Friendica\Core\Protocol;
+use Friendica\Database\Database;
+use Friendica\Model\Contact;
+use Friendica\Model\Conversation;
+use Friendica\Model\Item;
+use Friendica\Model\ItemURI;
+use Friendica\Model\Post;
+use Friendica\Model\Tag;
+use Friendica\Protocol\Activity;
+use Friendica\Protocol\ATProtocol;
+use Friendica\Util\DateTimeFormat;
+use Friendica\Util\Strings;
+use Psr\Log\LoggerInterface;
+use stdClass;
+
+/**
+ * Class to process AT protocol messages
+ */
+class Processor
+{
+	/** @var Database */
+	private $db;
+
+	/** @var LoggerInterface */
+	private $logger;
+
+	/** @var BaseURL */
+	private $baseURL;
+
+	/** @var ATProtocol */
+	private $atprotocol;
+
+	/** @var Actor */
+	private $actor;
+
+	public function __construct(Database $database, LoggerInterface $logger, BaseURL $baseURL, ATProtocol $atprotocol, Actor $actor)
+	{
+		$this->db         = $database;
+		$this->logger     = $logger;
+		$this->baseURL    = $baseURL;
+		$this->atprotocol = $atprotocol;
+		$this->actor      = $actor;
+	}
+
+	public function processAccount(stdClass $data)
+	{
+		$fields = [
+			'archive' => !$data->account->active,
+			'failed'  => !$data->account->active,
+			'updated' => DateTimeFormat::utc($data->account->time, DateTimeFormat::MYSQL)
+		];
+
+		$this->logger->notice('Process account', ['did' => $data->identity->did, 'fields' => $fields]);
+
+		Contact::update($fields, ['nurl' => $data->identity->did, 'network' => Protocol::BLUESKY]);
+	}
+
+	public function processIdentity(stdClass $data)
+	{
+		$fields = [
+			'alias'   => ATProtocol::WEB . '/profile/' . $data->identity->handle,
+			'nick'    => $data->identity->handle,
+			'addr'    => $data->identity->handle,
+			'updated' => DateTimeFormat::utc($data->identity->time, DateTimeFormat::MYSQL),
+		];
+
+		$this->logger->notice('Process identity', ['did' => $data->identity->did, 'fields' => $fields]);
+
+		Contact::update($fields, ['nurl' => $data->identity->did, 'network' => Protocol::BLUESKY]);
+	}
+
+	public function performBlocks(stdClass $data, int $uid)
+	{
+		if (!$uid) {
+			$this->logger->info('Not a block from a local user');
+			return;
+		}
+
+		if (empty($data->commit->record->subject)) {
+			$this->logger->info('No subject in data', ['data' => $data]);
+			return;
+		}
+
+		$contact = Contact::selectFirst(['id'], ['nurl' => $data->commit->record->subject, 'uid' => 0]);
+		if (empty($contact['id'])) {
+			$this->logger->info('Contact not found', ['did' => $data->commit->record->subject]);
+			return;
+		}
+
+		// @todo unblock doesn't provide a subject. We will only arrive here, wenn the operation is "create".
+		Contact\User::setBlocked($contact['id'], $uid, ($data->commit->operation == 'create'), true);
+		$this->logger->info('Contact blocked', ['id' => $contact['id'], 'did' => $data->commit->record->subject, 'uid' => $uid]);
+	}
+
+	public function deleteRecord(stdClass $data)
+	{
+		$uri     = 'at://' . $data->did . '/' . $data->commit->collection . '/' . $data->commit->rkey;
+		$itemuri = $this->db->selectFirst('item-uri', ['id'], ["`uri` LIKE ?", $uri . ':%']);
+		if (empty($itemuri['id'])) {
+			$this->logger->info('URI not found', ['url' => $uri]);
+			return;
+		}
+
+		$condition = ['uri-id' => $itemuri['id'], 'author-link' => $data->did, 'network' => Protocol::BLUESKY];
+		if (!Post::exists($condition)) {
+			$this->logger->info('Record not found', $condition);
+			return;
+		}
+		Item::markForDeletion($condition);
+		$this->logger->info('Record deleted', $condition);
+	}
+
+	public function createPost(stdClass $data, array $uids, bool $dont_fetch)
+	{
+		if (!empty($data->commit->record->reply)) {
+			$root   = $this->getUri($data->commit->record->reply->root);
+			$parent = $this->getUri($data->commit->record->reply->parent);
+			$uids   = $this->getPostUids($root);
+			if (!$uids) {
+				$this->logger->debug('Comment is not imported since the root post is not found.', ['root' => $root, 'parent' => $parent]);
+				return;
+			}
+			if ($dont_fetch && !$this->getPostUids($parent)) {
+				$this->logger->debug('Comment is not imported since the parent post is not found.', ['root' => $root, 'parent' => $parent]);
+				return;
+			}
+		}
+
+		foreach ($uids as $uid) {
+			$item = [];
+			$item = $this->getHeaderFromJetstream($data, $uid);
+			if (empty($item)) {
+				continue;
+			}
+
+			if (!empty($root)) {
+				$item['parent-uri'] = $root;
+				$item['thr-parent'] = $this->fetchMissingPost($parent, $uid, Item::PR_FETCHED, $item['contact-id'], 0, $parent, false, Conversation::PARCEL_JETSTREAM);
+				$item['gravity']    = Item::GRAVITY_COMMENT;
+			} else {
+				$item['gravity'] = Item::GRAVITY_PARENT;
+			}
+
+			$item['body']                  = $this->parseFacets($data->commit->record, $item['uri-id']);
+			$item['transmitted-languages'] = $data->commit->record->langs ?? [];
+
+			if (!empty($data->commit->record->embed)) {
+				if (empty($post)) {
+					$uri  = 'at://' . $data->did . '/' . $data->commit->collection . '/' . $data->commit->rkey;
+					$post = $this->atprotocol->XRPCGet('app.bsky.feed.getPostThread', ['uri' => $uri]);
+					if (empty($post->thread->post->embed)) {
+						$this->logger->notice('Post was not fetched', ['uri' => $uri, 'post' => $post]);
+						return;
+					}
+				}
+				$item = $this->addMedia($post->thread->post->embed, $item, 0, 0, 0);
+			}
+
+			$id = Item::insert($item);
+
+			if ($id) {
+				$this->logger->info('Post inserted', ['id' => $id, 'guid' => $item['guid']]);
+			} elseif (Post::exists(['uid' => $uid, 'uri-id' => $item['uri-id']])) {
+				$this->logger->warning('Post was found', ['guid' => $item['guid'], 'uri' => $item['uri']]);
+			} else {
+				$this->logger->warning('Post was not inserted', ['guid' => $item['guid'], 'uri' => $item['uri']]);
+			}
+		}
+	}
+
+	public function createRepost(stdClass $data, array $uids, bool $dont_fetch)
+	{
+		if ($dont_fetch && !$this->getPostUids($this->getUri($data->commit->record->subject))) {
+			$this->logger->debug('Repost is not imported since the subject is not found.', ['subject' => $this->getUri($data->commit->record->subject)]);
+			return;
+		}
+
+		foreach ($uids as $uid) {
+			$item = $this->getHeaderFromJetstream($data, $uid);
+			if (empty($item)) {
+				continue;
+			}
+
+			$item['gravity']    = Item::GRAVITY_ACTIVITY;
+			$item['body']       = $item['verb'] = Activity::ANNOUNCE;
+			$item['thr-parent'] = $this->getUri($data->commit->record->subject);
+			$item['thr-parent'] = $this->fetchMissingPost($item['thr-parent'], 0, Item::PR_FETCHED, $item['contact-id'], 0, $item['thr-parent'], false, Conversation::PARCEL_JETSTREAM);
+
+			$id = Item::insert($item);
+
+			if ($id) {
+				$this->logger->info('Repost inserted', ['id' => $id]);
+			} elseif (Post::exists(['uid' => $uid, 'uri-id' => $item['uri-id']])) {
+				$this->logger->warning('Repost was found', ['uri' => $item['uri']]);
+			} else {
+				$this->logger->warning('Repost was not inserted', ['uri' => $item['uri']]);
+			}
+		}
+	}
+
+	public function createLike(stdClass $data)
+	{
+		$uids = $this->getPostUids($this->getUri($data->commit->record->subject));
+		if (!$uids) {
+			$this->logger->debug('Like is not imported since the subject is not found.', ['subject' => $this->getUri($data->commit->record->subject)]);
+			return;
+		}
+		foreach ($uids as $uid) {
+			$item = $this->getHeaderFromJetstream($data, $uid);
+			if (empty($item)) {
+				continue;
+			}
+
+			$item['gravity']    = Item::GRAVITY_ACTIVITY;
+			$item['body']       = $item['verb'] = Activity::LIKE;
+			$item['thr-parent'] = $this->getPostUri($this->getUri($data->commit->record->subject), $uid);
+
+			$id = Item::insert($item);
+
+			if ($id) {
+				$this->logger->info('Like inserted', ['id' => $id]);
+			} elseif (Post::exists(['uid' => $uid, 'uri-id' => $item['uri-id']])) {
+				$this->logger->warning('Like was found', ['uri' => $item['uri']]);
+			} else {
+				$this->logger->warning('Like was not inserted', ['uri' => $item['uri']]);
+			}
+		}
+	}
+
+	public function deleteFollow(stdClass $data, array $self): bool
+	{
+		return !empty($self[$data->did]);
+	}
+
+	public function createFollow(stdClass $data, array $self): bool
+	{
+		if (!empty($self[$data->did])) {
+			$uid    = $self[$data->did];
+			$target = $data->commit->record->subject;
+			$rel    = Contact::SHARING;
+			$this->logger->debug('Follow by a local user', ['uid' => $uid, 'following' => $target]);
+		} elseif (!empty($self[$data->commit->record->subject])) {
+			$uid    = $self[$data->commit->record->subject];
+			$target = $data->did;
+			$rel    = Contact::FOLLOWER;
+			$this->logger->debug('New follower for a local user', ['uid' => $uid, 'follower' => $target]);
+		} else {
+			$this->logger->debug('No local part', ['did' => $data->did, 'target' => $data->commit->record->subject]);
+			return false;
+		}
+		$contact = $this->actor->getContactByDID($target, $uid, $uid);
+		if (empty($contact)) {
+			$this->logger->notice('Contact not found', ['uid' => $uid, 'target' => $target]);
+			return false;
+		}
+		Contact::update(['rel' => $rel | $contact['rel']], ['id' => $contact['id']]);
+		return true;
+	}
+
+	private function processPost(stdClass $post, int $uid, int $post_reason, int $causer, int $level, int $protocol): int
+	{
+		$uri = $this->getUri($post);
+
+		if ($uri_id = $this->fetchUriId($uri, $uid)) {
+			return $uri_id;
+		}
+
+		if (empty($post->record)) {
+			$this->logger->debug('Invalid post', ['uri' => $uri]);
+			return 0;
+		}
+
+		$this->logger->debug('Importing post', ['uid' => $uid, 'indexedAt' => $post->indexedAt, 'uri' => $post->uri, 'cid' => $post->cid, 'root' => $post->record->reply->root ?? '']);
+
+		$item = $this->getHeaderFromPost($post, $uri, $uid, $protocol);
+		if (empty($item)) {
+			return 0;
+		}
+		$item = $this->getContent($item, $post->record, $uri, $uid, $level);
+		if (empty($item)) {
+			return 0;
+		}
+
+		if (!empty($post->embed)) {
+			$item = $this->addMedia($post->embed, $item, $uid, $level);
+		}
+
+		$item['restrictions'] = $this->getRestrictionsForUser($post, $item, $post_reason);
+
+		if (empty($item['post-reason'])) {
+			$item['post-reason'] = $post_reason;
+		}
+
+		if ($causer != 0) {
+			$item['causer-id'] = $causer;
+		}
+
+		$id = Item::insert($item);
+
+		if ($id) {
+			$this->logger->info('Fetched post inserted', ['id' => $id, 'guid' => $item['guid']]);
+		} elseif (Post::exists(['uid' => $uid, 'uri-id' => $item['uri-id']])) {
+			$this->logger->warning('Fetched post was found', ['guid' => $item['guid'], 'uri' => $item['uri']]);
+		} else {
+			$this->logger->warning('Fetched post was not inserted', ['guid' => $item['guid'], 'uri' => $item['uri']]);
+		}
+
+		return $this->fetchUriId($uri, $uid);
+	}
+
+	private function getHeaderFromJetstream(stdClass $data, int $uid, int $protocol = Conversation::PARCEL_JETSTREAM): array
+	{
+		$contact = $this->actor->getContactByDID($data->did, $uid, 0);
+		if (empty($contact)) {
+			$this->logger->info('Contact not found for user', ['did' => $data->did, 'uid' => $uid]);
+			return [];
+		}
+
+		$item = [
+			'network'       => Protocol::BLUESKY,
+			'protocol'      => $protocol,
+			'uid'           => $uid,
+			'wall'          => false,
+			'uri'           => 'at://' . $data->did . '/' . $data->commit->collection . '/' . $data->commit->rkey . ':' . $data->commit->cid,
+			'guid'          => $data->commit->cid,
+			'created'       => DateTimeFormat::utc($data->commit->record->createdAt, DateTimeFormat::MYSQL),
+			'private'       => Item::UNLISTED,
+			'verb'          => Activity::POST,
+			'contact-id'    => $contact['id'],
+			'author-name'   => $contact['name'],
+			'author-link'   => $contact['url'],
+			'author-avatar' => $contact['avatar'],
+			'owner-name'    => $contact['name'],
+			'owner-link'    => $contact['url'],
+			'owner-avatar'  => $contact['avatar'],
+			'plink'         => $contact['alias'] . '/post/' . $data->commit->rkey,
+			'source'        => json_encode($data),
+		];
+
+		if ($this->postExists($item['uri'], [$uid])) {
+			$this->logger->info('Post already exists for user', ['uri' => $item['uri'], 'uid' => $uid]);
+			return [];
+		}
+
+		$account          = Contact::selectFirstAccountUser(['pid'], ['id' => $contact['id']]);
+		$item['owner-id'] = $item['author-id'] = $account['pid'];
+		$item['uri-id']   = ItemURI::getIdByURI($item['uri']);
+
+		if (in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND])) {
+			$item['post-reason'] = Item::PR_FOLLOWER;
+		}
+
+		if (!empty($data->commit->record->labels)) {
+			foreach ($data->commit->record->labels as $label) {
+				// Only flag posts as sensitive based on labels that had been provided by the author.
+				// When "ver" is set to "1" it was flagged by some automated process.
+				if (empty($label->ver)) {
+					$item['sensitive']       = true;
+					$item['content-warning'] = $label->val ?? '';
+					$this->logger->debug('Sensitive content', ['uri-id' => $item['uri-id'], 'label' => $label]);
+				}
+			}
+		}
+
+		return $item;
+	}
+
+	private function getHeaderFromPost(stdClass $post, string $uri, int $uid, int $protocol): array
+	{
+		$parts = $this->getUriParts($uri);
+		if (empty($post->author) || empty($post->cid) || empty($parts->rkey)) {
+			return [];
+		}
+		$contact = $this->actor->getContactByDID($post->author->did, $uid, 0);
+		if (empty($contact)) {
+			$this->logger->info('Contact not found for user', ['did' => $post->author->did, 'uid' => $uid]);
+			return [];
+		}
+
+		$item = [
+			'network'       => Protocol::BLUESKY,
+			'protocol'      => $protocol,
+			'uid'           => $uid,
+			'wall'          => false,
+			'uri'           => $uri,
+			'guid'          => $post->cid,
+			'received'      => DateTimeFormat::utc($post->indexedAt, DateTimeFormat::MYSQL),
+			'private'       => Item::UNLISTED,
+			'verb'          => Activity::POST,
+			'contact-id'    => $contact['id'],
+			'author-name'   => $contact['name'],
+			'author-link'   => $contact['url'],
+			'author-avatar' => $contact['avatar'],
+			'owner-name'    => $contact['name'],
+			'owner-link'    => $contact['url'],
+			'owner-avatar'  => $contact['avatar'],
+			'plink'         => $contact['alias'] . '/post/' . $parts->rkey,
+			'source'        => json_encode($post),
+		];
+
+		if ($this->postExists($item['uri'], [$uid])) {
+			$this->logger->info('Post already exists for user', ['uri' => $item['uri'], 'uid' => $uid]);
+			return [];
+		}
+
+		$account = Contact::selectFirstAccountUser(['pid'], ['id' => $contact['id']]);
+
+		$item['owner-id'] = $item['author-id'] = $account['pid'];
+		$item['uri-id']   = ItemURI::getIdByURI($uri);
+
+		if (in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND])) {
+			$item['post-reason'] = Item::PR_FOLLOWER;
+		}
+
+		if (!empty($post->labels)) {
+			foreach ($post->labels as $label) {
+				// Only flag posts as sensitive based on labels that had been provided by the author.
+				// When "ver" is set to "1" it was flagged by some automated process.
+				if (empty($label->ver)) {
+					$item['sensitive']       = true;
+					$item['content-warning'] = $label->val ?? '';
+					$this->logger->debug('Sensitive content', ['uri-id' => $item['uri-id'], 'label' => $label]);
+				}
+			}
+		}
+
+		return $item;
+	}
+
+	private function getContent(array $item, stdClass $record, string $uri, int $uid, int $level): array
+	{
+		if (empty($item)) {
+			return [];
+		}
+
+		if (!empty($record->reply)) {
+			$item['parent-uri'] = $this->getUri($record->reply->root);
+			if ($item['parent-uri'] != $uri) {
+				$item['parent-uri'] = $this->getPostUri($item['parent-uri'], $uid);
+				if (empty($item['parent-uri'])) {
+					$this->logger->notice('Parent-uri not found', ['uri' => $this->getUri($record->reply->root)]);
+					return [];
+				}
+			}
+
+			$item['thr-parent'] = $this->getUri($record->reply->parent);
+			if (!in_array($item['thr-parent'], [$uri, $item['parent-uri']])) {
+				$item['thr-parent'] = $this->getPostUri($item['thr-parent'], $uid) ?: $item['thr-parent'];
+			}
+		}
+
+		$item['body']                  = $this->parseFacets($record, $item['uri-id']);
+		$item['created']               = DateTimeFormat::utc($record->createdAt, DateTimeFormat::MYSQL);
+		$item['transmitted-languages'] = $record->langs ?? [];
+
+		return $item;
+	}
+
+	private function parseFacets(stdClass $record, int $uri_id): string
+	{
+		$text = $record->text ?? '';
+
+		if (empty($record->facets)) {
+			return $text;
+		}
+
+		$facets = [];
+		foreach ($record->facets as $facet) {
+			$facets[$facet->index->byteStart] = $facet;
+		}
+		krsort($facets);
+
+		foreach ($facets as $facet) {
+			$prefix   = substr($text, 0, $facet->index->byteStart);
+			$linktext = substr($text, $facet->index->byteStart, $facet->index->byteEnd - $facet->index->byteStart);
+			$suffix   = substr($text, $facet->index->byteEnd);
+
+			$url  = '';
+			$type = '$type';
+			foreach ($facet->features as $feature) {
+
+				switch ($feature->$type) {
+					case 'app.bsky.richtext.facet#link':
+						$url = $feature->uri;
+						break;
+
+					case 'app.bsky.richtext.facet#mention':
+						$contact = Contact::getByURL($feature->did, null, ['id']);
+						if (!empty($contact['id'])) {
+							$url = $this->baseURL . '/contact/' . $contact['id'];
+							if (substr($linktext, 0, 1) == '@') {
+								$prefix .= '@';
+								$linktext = substr($linktext, 1);
+							}
+						}
+						break;
+
+					case 'app.bsky.richtext.facet#tag':
+						Tag::store($uri_id, Tag::HASHTAG, $feature->tag);
+						$url      = $this->baseURL . '/search?tag=' . urlencode($feature->tag);
+						$linktext = '#' . $feature->tag;
+						break;
+
+					default:
+						$this->logger->notice('Unhandled feature type', ['type' => $feature->$type, 'feature' => $feature, 'record' => $record]);
+						break;
+				}
+			}
+			if (!empty($url)) {
+				$text = $prefix . '[url=' . $url . ']' . $linktext . '[/url]' . $suffix;
+			}
+		}
+		return $text;
+	}
+
+	private function addMedia(stdClass $embed, array $item, int $level): array
+	{
+		$type = '$type';
+		switch ($embed->$type) {
+			case 'app.bsky.embed.images#view':
+				foreach ($embed->images as $image) {
+					$media = [
+						'uri-id'      => $item['uri-id'],
+						'type'        => Post\Media::IMAGE,
+						'url'         => $image->fullsize,
+						'preview'     => $image->thumb,
+						'description' => $image->alt,
+					];
+					Post\Media::insert($media);
+				}
+				break;
+
+			case 'app.bsky.embed.video#view':
+				$media = [
+					'uri-id'      => $item['uri-id'],
+					'type'        => Post\Media::HLS,
+					'url'         => $embed->playlist,
+					'preview'     => $embed->thumbnail,
+					'description' => $embed->alt                 ?? '',
+					'height'      => $embed->aspectRatio->height ?? null,
+					'width'       => $embed->aspectRatio->width  ?? null,
+				];
+				Post\Media::insert($media);
+				break;
+
+			case 'app.bsky.embed.external#view':
+				$media = [
+					'uri-id'      => $item['uri-id'],
+					'type'        => Post\Media::HTML,
+					'url'         => $embed->external->uri,
+					'name'        => $embed->external->title,
+					'description' => $embed->external->description,
+				];
+				Post\Media::insert($media);
+				break;
+
+			case 'app.bsky.embed.record#view':
+				$original_uri = $uri = $this->getUri($embed->record);
+				$type         = '$type';
+				if (!empty($embed->record->record->$type)) {
+					$embed_type = $embed->record->record->$type;
+					if ($embed_type == 'app.bsky.graph.starterpack') {
+						$this->addStarterpack($item, $embed->record);
+						break;
+					}
+				}
+				$fetched_uri = $this->getPostUri($uri, $item['uid']);
+				if (!$fetched_uri) {
+					$uri = $this->fetchMissingPost($uri, 0, Item::PR_FETCHED, $item['contact-id'], $level, $uri);
+				} else {
+					$uri = $fetched_uri;
+				}
+				if ($uri) {
+					$shared = Post::selectFirst(['uri-id'], ['uri' => $uri, 'uid' => [$item['uid'], 0]]);
+					$uri_id = $shared['uri-id'] ?? 0;
+				}
+				if (!empty($uri_id)) {
+					$item['quote-uri-id'] = $uri_id;
+				} else {
+					$this->logger->debug('Quoted post could not be fetched', ['original-uri' => $original_uri, 'uri' => $uri]);
+				}
+				break;
+
+			case 'app.bsky.embed.recordWithMedia#view':
+				$this->addMedia($embed->media, $item, $level);
+				$original_uri = $uri = $this->getUri($embed->record->record);
+				$uri          = $this->fetchMissingPost($uri, 0, Item::PR_FETCHED, $item['contact-id'], $level, $uri);
+				if ($uri) {
+					$shared = Post::selectFirst(['uri-id'], ['uri' => $uri, 'uid' => [$item['uid'], 0]]);
+					$uri_id = $shared['uri-id'] ?? 0;
+				}
+				if (!empty($uri_id)) {
+					$item['quote-uri-id'] = $uri_id;
+				} else {
+					$this->logger->debug('Quoted post could not be fetched', ['original-uri' => $original_uri, 'uri' => $uri]);
+				}
+				break;
+
+			default:
+				$this->logger->notice('Unhandled embed type', ['uri-id' => $item['uri-id'], 'type' => $embed->$type, 'embed' => $embed]);
+				break;
+		}
+		return $item;
+	}
+
+	private function addStarterpack(array $item, stdClass $record)
+	{
+		$this->logger->debug('Received starterpack', ['uri-id' => $item['uri-id'], 'guid' => $item['guid'], 'uri' => $record->uri]);
+		if (!preg_match('#^at://(.+)/app.bsky.graph.starterpack/(.+)#', $record->uri, $matches)) {
+			return;
+		}
+
+		$media = [
+			'uri-id'      => $item['uri-id'],
+			'type'        => Post\Media::HTML,
+			'url'         => 'https://bsky.app/starter-pack/' . $matches[1] . '/' . $matches[2],
+			'name'        => $record->record->name,
+			'description' => $record->record->description ?? '',
+		];
+
+		Post\Media::insert($media);
+
+		$fields = [
+			'name'        => $record->record->name,
+			'description' => $record->record->description ?? '',
+		];
+		Post\Media::update($fields, ['uri-id' => $media['uri-id'], 'url' => $media['url']]);
+	}
+
+	private function getRestrictionsForUser(stdClass $post, array $item, int $post_reason): ?int
+	{
+		if (!empty($post->viewer->replyDisabled)) {
+			return Item::CANT_REPLY;
+		}
+
+		if (empty($post->threadgate)) {
+			return null;
+		}
+
+		if (!isset($post->threadgate->record->allow)) {
+			return null;
+		}
+
+		if ($item['uid'] == 0) {
+			return Item::CANT_REPLY;
+		}
+
+		$restrict = true;
+		$type     = '$type';
+
+		foreach ($post->threadgate->record->allow as $allow) {
+			switch ($allow->$type) {
+				case 'app.bsky.feed.threadgate#followingRule':
+					// Only followers can reply.
+					if (Contact::isFollower($item['author-id'], $item['uid'])) {
+						$restrict = false;
+					}
+					break;
+
+				case 'app.bsky.feed.threadgate#mentionRule':
+					// Only mentioned accounts can reply.
+					if ($post_reason == Item::PR_TO) {
+						$restrict = false;
+					}
+					break;
+
+				case 'app.bsky.feed.threadgate#listRule':
+					// Only accounts in the provided list can reply. We don't support this at the moment.
+					break;
+			}
+		}
+
+		return $restrict ? Item::CANT_REPLY : null;
+	}
+
+	private function fetchMissingPost(string $uri, int $uid, int $post_reason, int $causer, int $level, string $fallback = '', bool $always_fetch = false, int $Protocol = Conversation::PARCEL_JETSTREAM): string
+	{
+		$timestamp = microtime(true);
+		$stamp     = Strings::getRandomHex(30);
+		$this->logger->debug('Fetch missing post', ['uri' => $uri, 'stamp' => $stamp]);
+
+		$fetched_uri = $this->getPostUri($uri, $uid);
+		if (!$always_fetch && !empty($fetched_uri)) {
+			return $fetched_uri;
+		}
+
+		if (++$level > 100) {
+			$this->logger->info('Recursion level too deep', ['level' => $level, 'uid' => $uid, 'uri' => $uri, 'fallback' => $fallback]);
+			// When the level is too deep we will fallback to the parent uri.
+			// Allthough the threading won't be correct, we at least had stored all posts and won't try again
+			return $fallback;
+		}
+
+		$class = $this->getUriClass($uri);
+		if (empty($class)) {
+			return $fallback;
+		}
+
+		$fetch_uri = $class->uri;
+
+		$this->logger->debug('Fetch missing post', ['level' => $level, 'uid' => $uid, 'uri' => $uri]);
+		$data = $this->atprotocol->XRPCGet('app.bsky.feed.getPostThread', ['uri' => $fetch_uri]);
+		if (empty($data) || empty($data->thread)) {
+			$this->logger->info('Thread was not fetched', ['level' => $level, 'uid' => $uid, 'uri' => $uri, 'fallback' => $fallback]);
+			if (microtime(true) - $timestamp > 2) {
+				$this->logger->debug('Not fetched', ['duration' => round(microtime(true) - $timestamp, 3), 'uri' => $uri, 'stamp' => $stamp]);
+			}
+			return $fallback;
+		}
+
+		$this->logger->debug('Reply count', ['level' => $level, 'uid' => $uid, 'uri' => $uri]);
+
+		if ($causer != 0) {
+			$causer = Contact::getPublicContactId($causer, $uid);
+		}
+
+		if (!empty($data->thread->parent)) {
+			$parents = $this->fetchParents($data->thread->parent, $uid);
+
+			if (!empty($parents)) {
+				if ($data->thread->post->record->reply->root->uri != $parents[0]->uri) {
+					$parent_uri = $this->getUri($data->thread->post->record->reply->root);
+					$this->fetchMissingPost($parent_uri, $uid, $post_reason, $causer, $level, $data->thread->post->record->reply->root->uri, false, $Protocol);
+				}
+			}
+
+			foreach ($parents as $parent) {
+				$uri_id = $this->processPost($parent, $uid, Item::PR_FETCHED, $causer, $level, $Protocol);
+				$this->logger->debug('Parent created', ['uri-id' => $uri_id]);
+			}
+		}
+
+		$uri = $this->processThread($data->thread, $uid, $post_reason, $causer, $level, $Protocol);
+		if (microtime(true) - $timestamp > 2) {
+			$this->logger->debug('Fetched and processed post', ['duration' => round(microtime(true) - $timestamp, 3), 'uri' => $uri, 'stamp' => $stamp]);
+		}
+		return $uri;
+	}
+
+	private function fetchParents(stdClass $parent, int $uid, array $parents = []): array
+	{
+		if (!empty($parent->parent)) {
+			$parents = $this->fetchParents($parent->parent, $uid, $parents);
+		}
+
+		if (!empty($parent->post) && empty($this->getPostUri($this->getUri($parent->post), $uid))) {
+			$parents[] = $parent->post;
+		}
+
+		return $parents;
+	}
+
+	private function processThread(stdClass $thread, int $uid, int $post_reason, int $causer, int $level, int $protocol): string
+	{
+		if (empty($thread->post)) {
+			$this->logger->info('Invalid post', ['post' => $thread]);
+			return '';
+		}
+		$uri = $this->getUri($thread->post);
+
+		$fetched_uri = $this->getPostUri($uri, $uid);
+		if (empty($fetched_uri)) {
+			$uri_id = $this->processPost($thread->post, $uid, $post_reason, $causer, $level, $protocol);
+			if ($uri_id) {
+				$this->logger->debug('Post has been processed and stored', ['uri-id' => $uri_id, 'uri' => $uri]);
+				return $uri;
+			} else {
+				$this->logger->info('Post has not not been stored', ['uri' => $uri]);
+				return '';
+			}
+		} else {
+			$this->logger->debug('Post exists', ['uri' => $uri]);
+			$uri = $fetched_uri;
+		}
+
+		foreach ($thread->replies ?? [] as $reply) {
+			$reply_uri = $this->processThread($reply, $uid, Item::PR_FETCHED, $causer, $level, $protocol);
+			$this->logger->debug('Reply has been processed', ['uri' => $uri, 'reply' => $reply_uri]);
+		}
+
+		return $uri;
+	}
+
+	private function getUriParts(string $uri): ?stdClass
+	{
+		$class = $this->getUriClass($uri);
+		if (empty($class)) {
+			return null;
+		}
+
+		$parts = explode('/', substr($class->uri, 5));
+
+		$class = new stdClass();
+
+		$class->repo       = $parts[0];
+		$class->collection = $parts[1];
+		$class->rkey       = $parts[2];
+
+		return $class;
+	}
+
+	private function getUriClass(string $uri): ?stdClass
+	{
+		if (empty($uri)) {
+			return null;
+		}
+
+		$elements = explode(':', $uri);
+		if (empty($elements) || ($elements[0] != 'at')) {
+			$post = Post::selectFirstPost(['extid'], ['uri' => $uri]);
+			return $this->getUriClass($post['extid'] ?? '');
+		}
+
+		$class = new stdClass();
+
+		$class->cid = array_pop($elements);
+		$class->uri = implode(':', $elements);
+
+		if ((substr_count($class->uri, '/') == 2) && (substr_count($class->cid, '/') == 2)) {
+			$class->uri .= ':' . $class->cid;
+			$class->cid = '';
+		}
+
+		return $class;
+	}
+
+	private function fetchUriId(string $uri, int $uid): string
+	{
+		$reply = Post::selectFirst(['uri-id'], ['uri' => $uri, 'uid' => [$uid, 0]]);
+		if (!empty($reply['uri-id'])) {
+			$this->logger->debug('Post exists', ['uri' => $uri]);
+			return $reply['uri-id'];
+		}
+		$reply = Post::selectFirst(['uri-id'], ['extid' => $uri, 'uid' => [$uid, 0]]);
+		if (!empty($reply['uri-id'])) {
+			$this->logger->debug('Post with extid exists', ['uri' => $uri]);
+			return $reply['uri-id'];
+		}
+		return 0;
+	}
+
+	private function getPostUids(string $uri): array
+	{
+		$uids  = [];
+		$posts = Post::select(['uid'], ['uri' => $uri]);
+		while ($post = Post::fetch($posts)) {
+			$uids[] = $post['uid'];
+		}
+		$this->db->close($posts);
+
+		$posts = Post::select(['uid'], ['extid' => $uri]);
+		while ($post = Post::fetch($posts)) {
+			$uids[] = $post['uid'];
+		}
+		$this->db->close($posts);
+		return array_unique($uids);
+	}
+
+	private function postExists(string $uri, array $uids): bool
+	{
+		if (Post::exists(['uri' => $uri, 'uid' => $uids])) {
+			return true;
+		}
+
+		return Post::exists(['extid' => $uri, 'uid' => $uids]);
+	}
+
+	private function getUri(stdClass $post): string
+	{
+		if (empty($post->cid)) {
+			$this->logger->info('Invalid URI', ['post' => $post]);
+			return '';
+		}
+		return $post->uri . ':' . $post->cid;
+	}
+
+	private function getPostUri(string $uri, int $uid): string
+	{
+		if (Post::exists(['uri' => $uri, 'uid' => [$uid, 0]])) {
+			$this->logger->debug('Post exists', ['uri' => $uri]);
+			return $uri;
+		}
+
+		$reply = Post::selectFirst(['uri'], ['extid' => $uri, 'uid' => [$uid, 0]]);
+		if (!empty($reply['uri'])) {
+			$this->logger->debug('Post with extid exists', ['uri' => $uri]);
+			return $reply['uri'];
+		}
+		return '';
+	}
+}
diff --git a/static/defaults.config.php b/static/defaults.config.php
index b74ac5aa84..d821ff1813 100644
--- a/static/defaults.config.php
+++ b/static/defaults.config.php
@@ -730,4 +730,13 @@ return [
 		// Wether the blocklist is publicly listed under /about (or in any later API)
 		'public' => true,
 	],
+	'jetstream' => [
+		// pidfile (Path)
+		// Jetstream pid file path. For example: pidfile = /path/to/jetstream.pid
+		'pidfile' => '',
+		// did_limit (Integer)
+		// Maximum number of DIDs that are filtered in Jetstream. The maximum number is 10,000,
+		// The higher the number, the more likely the system won't be able to process the posts on time.
+		'did_limit' => 1000,
+	],
 ];